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66600 (1999 RQ184)
Classification: Main-belt Asteroid          SPK-ID: 2066600
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2035757450078876 4.4314e-08  
a 2.62183828158269 1.2857e-08 au
q 2.088095600119294 1.2223e-07 au
i 4.619684230637773 3.4878e-06 deg
node 61.02564723814697 4.9529e-05 deg
peri 291.377746986336 5.0295e-05 deg
M 2.428891532669379 8.0452e-06 deg
tp 2459190.038043799816
(2020-Dec-06.53804380)
3.4639e-05 TDB
period 1550.626770034141
4.25
1.1406e-05
3.123e-08
d
yr
n .2321641848038478 1.7077e-09 deg/d
Q 3.155580963046086 1.5474e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1151  
   data-arc span      9178 days (25.13 yr)  
   first obs. used      1995-12-25  
   last obs. used      2021-02-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52466  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:23:40  

Additional Information
 Earth MOID = 1.08661 au 
 Jupiter MOID = 2.29391 au 
 T_jup = 3.370 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.07   n/a E2021B10  

66600 (1999 RQ184)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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